Berkley W R Corp
WRB- Exchange
- NYSE
- Industry
- Fire, Marine & Casualty Insurance
- SEC CIK
- 0000011544
No open-market purchases or sales by Berkley W R Corp insiders were filed in the last 90 days; 954 institutions reported holding it in 13F filings for Q2 2026, worth $19.7B in total; Markel Group is the only superinvestor holding it.
13F holders, Q1 2026
Institutional positions in Berkley W R Corp as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 926
- −9 vs. Q4 2025
- Shares held
- 278.9M
- +38.5M (+16.0%) vs. Q4 2025
- Total value
- $18.5B
- +$1.63B (+9.7%) vs. Q4 2025
- New holders
- 97
- 246 more added
- Sold out
- 106
- 423 more reduced
17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting WRB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 954 | $19.7B |
| Q1 2026 | 926 | $18.5B |
| Q4 2025 | 952 | $19.9B |
| Q3 2025 | 934 | $18.7B |
| Q2 2025 | 923 | $18.7B |
| Q1 2025 | 915 | $18.7B |
| Q4 2024 | 876 | $15.3B |
| Q3 2024 | 800 | $14.8B |
| Q2 2024 | 758 | $13.8B |
| Q1 2024 | 772 | $15.9B |
| Q4 2023 | 728 | $12.6B |
| Q3 2023 | 667 | $11.0B |
| Q2 2023 | 660 | $10.3B |
| Q1 2023 | 693 | $11.2B |
| Q4 2022 | 716 | $13.2B |
| Q3 2022 | 667 | $11.9B |
| Q2 2022 | 665 | $12.6B |
| Q1 2022 | 617 | $12.1B |
| Q4 2021 | 575 | $10.1B |
| Q3 2021 | 513 | $9.04B |
| Q2 2021 | 526 | $9.17B |
| Q1 2021 | 507 | $9.36B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Berkley W R Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Legal & General Group Plc | 1,871,044 | $124.0M | 0.03% | −189,787−9.2% | Reduced |
| Charles Schwab Investment Management Inc | 1,901,305 | $126.0M | 0.02% | +24,342+1.3% | Added |
| Principal Financial Group Inc | 1,918,380 | $127.2M | 0.07% | −789,472−29.2% | Reduced |
| Bank of New York Mellon Corp | 2,033,932 | $134.8M | 0.02% | −167,916−7.6% | Reduced |
| UBS Asset Management Americas Inc | 2,175,492 | $144.2M | 0.03% | −44,410−2.0% | Reduced |
| Polar Capital Holdings Plc | 2,275,000 | $150.8M | 0.66% | −170,000−7.0% | Reduced |
| Royal London Asset Management Ltd | 2,284,583 | $151.4M | 0.32% | −505,791−18.1% | Reduced |
| 1832 Asset Management L.P. | 2,293,921 | $152.0M | 0.20% | −29,736−1.3% | Reduced |
| Janus Henderson Group PLC | 2,457,890 | $162.9M | 0.08% | −1,099,917−30.9% | Reduced |
| Northern Trust Corp | 2,705,395 | $179.3M | 0.02% | −182,875−6.3% | Reduced |
| Goldman Sachs Group Inc | 2,851,284 | $189.0M | 0.02% | +95,130+3.5% | Added |
| Bank of America Corp | 2,904,522 | $192.5M | 0.01% | +550,560+23.4% | Added |
| UBS Group AG | 3,267,776 | $216.6M | 0.04% | −238,091−6.8% | Reduced |
| JPMorgan Chase & Co | 3,273,964 | $216.9M | 0.01% | +314,076+10.6% | Added |
| Dimensional Fund Advisors LP | 3,768,180 | $249.8M | 0.05% | +129,801+3.6% | Added |
| Wells Fargo & Company | 3,789,666 | $251.2M | 0.05% | −200,643−5.0% | Reduced |
| First Trust Advisors LP | 3,972,929 | $263.3M | 0.19% | +377,742+10.5% | Added |
| Invesco Ltd. | 5,051,765 | $334.8M | 0.03% | +138,428+2.8% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 7,772,213 | $515.1M | 1.51% | −936,968−10.8% | Reduced |
| Geode Capital Management, LLC | 8,229,654 | $549.2M | 0.03% | −119,137−1.4% | Reduced |
| Morgan Stanley | 10,412,465 | $690.1M | 0.04% | +614,107+6.3% | Added |
| State Street Corp | 14,405,410 | $954.8M | 0.03% | −511,023−3.4% | Reduced |
| Vanguard Portfolio Management LLC | 14,750,233 | $977.6M | 0.05% | +14,750,233 | New |
| Vanguard Capital Management LLC | 18,925,841 | $1.25B | 0.03% | +18,925,841 | New |
| BlackRock, Inc. | 23,280,608 | $1.54B | 0.03% | −1,779,881−7.1% | Reduced |
| Mitsui Sumitomo Insurance Co Ltd | 58,780,450 | $3.90B | 100.00% | +8,253,939+16.3% | Added |
| Arbejdsmarkedets Tillaegspension | 0 | $0 | 0.00% | −347,460−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −182,740−100.0% | Sold out |
| Moran Wealth Management, LLC | 0 | $0 | 0.00% | −172,670−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −130,000−100.0% | Sold out |
| Vega Investment Solutions | 0 | $0 | 0.00% | −113,752−100.0% | Sold out |
| Skandinaviska Enskilda Banken AB (publ) | 0 | $0 | 0.00% | −81,083−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −60,116−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −49,519−100.0% | Sold out |
| Rakuten Investment Management, Inc. | 0 | $0 | 0.00% | −39,630−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −39,035−100.0% | Sold out |
| Banco Santander, S.A. | 0 | $0 | 0.00% | −24,306−100.0% | Sold out |
| Board of the Pension Protection Fund | 0 | $0 | 0.00% | −24,300−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −23,362−100.0% | Sold out |
| Generali Asset Management SPA SGR | 0 | $0 | 0.00% | −23,245−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −20,951−100.0% | Sold out |
| Kentucky Retirement Systems | 0 | $0 | 0.00% | −18,218−100.0% | Sold out |
| Parr McKnight Wealth Management Group, LLC | 0 | $0 | 0.00% | −18,112−100.0% | Sold out |
| Pensionfund Sabic | 0 | $0 | 0.00% | −17,850−100.0% | Sold out |
| Invst, LLC | 0 | $0 | 0.00% | −17,678−100.0% | Sold out |
| Armistice Capital, LLC | 0 | $0 | 0.00% | −13,523−100.0% | Sold out |
| Cumberland Partners Ltd | 0 | $0 | 0.00% | −11,765−100.0% | Sold out |
| Commerzbank Aktiengesellschaft | 0 | $0 | 0.00% | −11,347−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −11,206−100.0% | Sold out |
| Baader Bank INC | 0 | $0 | 0.00% | −9,670−100.0% | Sold out |
| JT Stratford LLC | 0 | $0 | 0.00% | −8,519−100.0% | Sold out |
| Elser Financial Planning, Inc | 0 | $0 | 0.00% | −4,792−100.0% | Sold out |
| Trustmark National Bank Trust Department | 0 | $0 | 0.00% | −7,734−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −7,725−100.0% | Sold out |
| Forum Financial Management, LP | 0 | $0 | 0.00% | −7,122−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −6,839−100.0% | Sold out |
| Tocqueville Asset Management L.P. | 0 | $0 | 0.00% | −6,750−100.0% | Sold out |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −6,596−100.0% | Sold out |
| AlphaCore Capital LLC | 0 | $0 | 0.00% | −6,291−100.0% | Sold out |
| 1248 Management, LLC | 0 | $0 | 0.00% | −6,009−100.0% | Sold out |
| Advisor OS, LLC | 0 | $0 | 0.00% | −5,996−100.0% | Sold out |
| Greenwood Capital Associates LLC | 0 | $0 | 0.00% | −5,993−100.0% | Sold out |
| Cynosure Management, LLC | 0 | $0 | 0.00% | −5,959−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −5,535−100.0% | Sold out |
| Buckingham Strategic Partners | 0 | $0 | 0.00% | −5,352−100.0% | Sold out |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −5,312−100.0% | Sold out |
| Willow Financial LLC | 0 | $0 | 0.00% | −5,274−100.0% | Sold out |
| Axxcess Wealth Management, LLC | 0 | $0 | 0.00% | −5,070−100.0% | Sold out |
| Third View Private Wealth, LLC | 0 | $0 | 0.00% | −5,043−100.0% | Sold out |
| Severin Investments, LLC | 0 | $0 | 0.00% | −4,964−100.0% | Sold out |
| Diversify Advisory Services, LLC | 0 | $0 | 0.00% | −4,990−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −4,647−100.0% | Sold out |
| IFG Advisory, LLC | 0 | $0 | 0.00% | −4,630−100.0% | Sold out |
| Pallas Capital Advisors LLC | 0 | $0 | 0.00% | −4,457−100.0% | Sold out |
| Stevens Capital Management LP | 0 | $0 | 0.00% | −4,426−100.0% | Sold out |
| David R. Rahn & Associates Inc. | 0 | $0 | 0.00% | −4,010−100.0% | Sold out |
| HighPoint Advisor Group LLC | 0 | $0 | 0.00% | −3,926−100.0% | Sold out |
| Hamilton Wealth, LLC | 0 | $0 | 0.00% | −3,890−100.0% | Sold out |
| Fisher Asset Management, LLC | 0 | $0 | 0.00% | −3,773−100.0% | Sold out |
| Perbak Capital Partners LLP | 0 | $0 | 0.00% | −3,567−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −3,321−100.0% | Sold out |
| Marble Wealth, LLC | 0 | $0 | 0.00% | −3,175−100.0% | Sold out |
| Accurate Wealth Management, LLC | 0 | $0 | 0.00% | −3,173−100.0% | Sold out |
| Summit Financial, LLC | 0 | $0 | 0.00% | −3,063−100.0% | Sold out |
| Hancock Whitney Corp | 0 | $0 | 0.00% | −3,049−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −3,034−100.0% | Sold out |
| Lantz Financial LLC | 0 | $0 | 0.00% | −3,034−100.0% | Sold out |
| Tradewinds, LLC. | 0 | $0 | 0.00% | −3,013−100.0% | Sold out |
| SmartHarvest Portfolios, LLC | 0 | $0 | 0.00% | −3,012−100.0% | Sold out |
| Woodmont Investment Counsel LLC | 0 | $0 | 0.00% | −2,970−100.0% | Sold out |
| Summitry LLC | 0 | $0 | 0.00% | −2,955−100.0% | Sold out |
| Fiduciary Trust Co | 0 | $0 | 0.00% | −2,924−100.0% | Sold out |
| Spears Abacus Advisors LLC | 0 | $0 | 0.00% | −2,904−100.0% | Sold out |
| Exit Wealth Advisors, LLC. | 0 | $0 | 0.00% | −2,880−100.0% | Sold out |
| StoneX Group Inc. | 0 | $0 | 0.00% | −2,877−100.0% | Sold out |
| Graham Capital Wealth Management, LLC | 0 | $0 | 0.00% | −2,877−100.0% | Sold out |
| Cigna Investments Inc | 0 | $0 | 0.00% | −2,847−100.0% | Sold out |
| Eagle Bay Advisors LLC | 0 | $0 | 0.00% | −2,496−100.0% | Sold out |
| LRI Investments, LLC | 0 | $0 | 0.00% | −1,863−100.0% | Sold out |
| eCIO, Inc. | 0 | $0 | 0.00% | −770−100.0% | Sold out |